31421
葡聚糖 来源于肠系膜明串珠菌
analytical standard, suitable for gel permeation chromatography (GPC), Mw 80,000
等级
analytical standard
质量水平
分子量
Mn ~55,000
Mp ~65,000
Mw ~80,000
分析物化学类别
oligosaccharides
技术
gel permeation chromatography (GPC): suitable
Mw/Mn
~1.45
应用
food and beverages
包装形式
neat
InChI
1S/C18H32O16/c19-1-5(21)9(23)10(24)6(22)3-31-17-16(30)14(28)12(26)8(34-17)4-32-18-15(29)13(27)11(25)7(2-20)33-18/h1,5-18,20-30H,2-4H2
InChI key
FZWBNHMXJMCXLU-UHFFFAOYSA-N
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一般描述
右旋糖酐是一种D-葡糖基均一多糖，通过α-1,2、α-1,3和α-1,4连接（相应地分为A、B和C组）与不同分支有a-1,6糖苷键连接。可由蔗糖经无细胞滤液合成。
葡聚糖是分子量≥1,000道尔顿的多糖，有一条α-D-吡喃葡萄糖基重复单元连接的线型主链。葡聚糖是细菌胞外多糖。它们是由肠膜明串珠菌和短乳杆菌通过蔗糖合成。细菌合成右旋糖酐用于生物被膜形成，致病菌则将其作为保护性包被以便入侵宿主的吞噬细胞。肠膜明串珠菌
右旋糖酐（Mw：80,000）可作为分析标准品，用于校准凝胶渗透色谱 (GPC) 的色谱柱。
右旋糖酐（Mw：80,000）可作为分析标准品，用于校准凝胶渗透色谱 (GPC) 的色谱柱。
应用
将右旋糖酐用作长的亲水性间隔臂提高了作用于大分子的固定化蛋白质的性能。
肠膜明串珠菌的葡聚糖可用作凝胶色谱分析的标准品，用于测定基础酒中蛋白、碳水化合物、酚类表面活性物质的部分组成。
储存分类代码
11 - Combustible Solids
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Elizabeth M Bradshaw et al.
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Yoshikazu Isomura et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(25), 10209-10220 (2013-06-21)
It is widely accepted that dorsal striatum neurons participate in either the direct pathway (expressing dopamine D1 receptors) or the indirect pathway (expressing D2 receptors), controlling voluntary movements in an antagonistically balancing manner. The D1- and D2-expressing neurons are activated
R Shelma et al.
Journal of biomedical nanotechnology, 9(2), 167-176 (2013-05-01)
The overall goal of this paper was to enhance the bioavailability of orally delivered insulin. A mucoadhesive amphiphilic chitosan derivative, lauroyl sulphated chitosan (LSCS) was used as the oral carrier for insulin. Trans epithelial electrical resistance experiment was performed on
R D Zysler et al.
Journal of biomedical nanotechnology, 9(1), 142-145 (2013-05-01)
We propose a new method for determining the quantity of superparamagnetic iron oxide nanoparticles (Fe3O4, SPIONs) embedded in animal tissue using magnetization measurements. With this method, the smallest detectable quantity of magnetite nanoparticles in a tissue sample is -1 microg.
Farwa Sarwat et al.
Pakistan journal of pharmaceutical sciences, 26(4), 793-797 (2013-07-03)
Leuconostoc are known to produce dextran, which have great commercial importance in chemical, medical and food industry. The present study is an attempt to select the best medium for the isolation of indigenous dextran producing Leuconostoc, measuring their enzyme activities
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